10123231210031 has 2 divisors, whose sum is σ = 10123231210032. Its totient is φ = 10123231210030.

The previous prime is 10123231209997. The next prime is 10123231210069. The reversal of 10123231210031 is 13001213232101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10123231210031 is a prime.

It is a super-2 number, since 2×10123231210031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10123231209985 and 10123231210012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10123231210831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5061615605015 + 5061615605016.

It is an arithmetic number, because the mean of its divisors is an integer number (5061615605016).

Almost surely, 2^{10123231210031} is an apocalyptic number.

10123231210031 is a deficient number, since it is larger than the sum of its proper divisors (1).

10123231210031 is an equidigital number, since it uses as much as digits as its factorization.

10123231210031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 10123231210031 its reverse (13001213232101), we get a palindrome (23124444442132).

The spelling of 10123231210031 in words is "ten trillion, one hundred twenty-three billion, two hundred thirty-one million, two hundred ten thousand, thirty-one".